Add new conference details for 2026 (#850)

* Add new conference details for 2026

Adding SIGiST 2026 Conference

* Fix conference URLs and update status links

Updated URLs and status links for conference details.

* Shorten status text for conference entry

* Fix formatting for Human-Centred Testing conference

Updated the name and status formatting for the conference entry.

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Co-authored-by: Chris Kenst <ckenst@gmail.com>

Author: MikeHarris105

_data/current.yml

@@ -191,6 +191,12 @@
   twitter: esconfs
   status: <a href="https://conference.eurostarsoftwaretesting.com/tickets/?utm_source=testingconferences" target="_blank">Early Bird</a> Pricing is Open
 
+- name: "Human-Centred Testing: People and Practices & the Future of the Profession"
+  location: London, UK
+  dates: "July 7, 2026"
+  url: https://www.bcs.org/membership-and-registrations/member-communities/software-testing-specialist-group/conferences/call-for-speakers/?utm_source=testingconferences
+  status: <a href="https://www.bcs.org/membership-and-registrations/member-communities/software-testing-specialist-group/conferences/call-for-speakers/?utm_source=testingconferences" target="_blank">CFP is Open</a> until March 31, 2026
+
 - name: "ICSTP 2026: International Conference on Software Testing Process"
   location: Amsterdam, Netherlands or Online
   dates: "August 3-4, 2026"